﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Class3
    {
        public static bool Mmi(string a)
        {
            bool b = false;
            if (a.Equals(null) || a.Equals(" "))
            {
                b = true;
            }
            int index = 0;
            foreach (var item in a)
            {
                if (item == ' ')
                {
                    index++;
                }
            }
            if (index == a.Length)
            {
                b = true;
            }
            return b;
        }
    }
}
